<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="#" method="get" autocomplete="off">
    <label for="username">用户名</label>
    <input type="text" id="username" name="username"/> <br/>

    <label for="password">密码:</label>
    <input type="password" id="password" name="password"/> <br/>

    <label for="email">邮箱:</label>
    <input type="email" id="email" name="email"/> <br/>

    <label for="gender">性别:</label>
    <input type="radio" id="gender" name="gender" value="man"/> 男

</form>

</body>
</html>